An Osram Dulux L compact fluorescent lamp, 40W, 2G11 base, 4-pin — a long, high-output linear PL lamp for large commercial downlights and office fittings, compatible with both electronic and conventional control gear.
Will this fit my fixture?
Replacing an identical existing 40W 2G11 Dulux L lamp is straightforward once power is off. Confirm your fitting's gear type matches before ordering, and use an electrician for new installations.
Key Features
- 2G11 4-pin base, works on electronic and conventional control gear
- Long linear form factor for high-output commercial fittings
- Available in 830 Warm White and 840 Cool White
Technical Specifications
| Specification |
Details |
| Wattage |
40W |
| Base |
2G11 (4-pin) |
| Luminous Flux |
3150 lm |
| Colour Temperature |
4000K |
| CRI |
≥80 |
| Rated Life |
20,000 hours |
| Dimensions |
17.5mm × 538mm |
| Control Gear |
Electronic or conventional (CCG) |
Applications
- Large commercial downlights and wall-wash fittings
- Office and retail ceiling installations
FAQ
-
Will this fit my fixture?
If your existing lamp is a 40W 2G11 Dulux L, this is a direct swap.
-
How is this different from the 36W and 55W versions?
Same base and family, but each wattage step is a different physical length — check your fitting's length matches 40W before switching.
-
Does this need a starter?
Only if run on conventional (magnetic) control gear; not needed on electronic gear.
-
Which colour temperature should I choose?
4000K (840) gives a neutral white suited to most office and commercial spaces.